This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.

Metamath Proof Explorer

Theorem 3t1e3

Description: 3 times 1 equals 3. (Contributed by David A. Wheeler, 8-Dec-2018)

Ref Expression
Assertion 3t1e3 ( 3 · 1 ) = 3

Proof

Step Hyp Ref Expression
1 3cn ⊢ 3 ∈ ℂ
2 1 mulridi ⊢ ( 3 · 1 ) = 3